RRB Group D 2018-4-10-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-4-10-2018-2 RRB Questions

21.
With whom can you associate the theory of evolution?
A.
Miller
B.
Darwin
C.
Mendel
D.
Urey
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ANSWER :
B. Darwin
22.
What is e-Governance?
A.
Effective administrative governance
B.
Systematic governance
C.
technology driven governance
D.
Human driven governance
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ANSWER :
C. technology driven governance
23.
The Electronic configuration of an element is 2,8,7, so its valency is :
A.
2
B.
8
C.
7
D.
1
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ANSWER :
D. 1
24.
The Square root of 10201 :
A.
111
B.
999
C.
101
D.
91
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ANSWER :
C. 101
25.

If x + y = 1 , then x3 + y3+3xy-1= ?

A.

0

B.

5

C.

2

D.

1

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ANSWER :

A. 0

26.

In an alloy of German silver the ratio of copper to zinc was 19 : 6 while that of nickel to zinc was 7 : 4. The ratio of copper to zinc to nickel in the alloy was:

A.

38 : 12 : 21

B.

133 :42 : 24

C.

19 : 44 : 4

D.

21 : 12 : 38

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ANSWER :

A. 38 : 12 : 21

27.
Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statements:
I. No cat is white.
II. Some white are pandas.
Conclusions:
All pandas are white.
Some cats are white.
A.
Conclusion 2 alone follows.
B.
Both 1 and 2 follow.
C.
Conclusion 1 alone follows.
D.
Neither 1 nor 2 follows.
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ANSWER :
A. Conclusion 2 alone follows.
28.
Which of the following statements is true?
A.
The unit of relative density is kg m⁻²
B.
The unit of relative density is kg m⁻³
C.
Relative density has no unit
D.
The unit of relative density is kg m³
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ANSWER :
C. Relative density has no unit
29.

Group the folowing figures in to three classes based on their Identical Properties

A.

1,3,9; 2,4,6; 5,7,8

B.

1,5,9; 2,4,6; 3,5,7

C.

1,2,5; 3,6,7; 4,8,9;

D.

1,5,9; 2,3,6; 4,5,7;

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ANSWER :

C. 1,2,5; 3,6,7; 4,8,9;

30.
Which of the following statements is INCORRECT?
A.
Non-metals form acidic oxides
B.
Non-metals form cations
C.
Non-metals form anions
D.
Non-metals are bad conductors of electricity
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ANSWER :
B. Non-metals form cations